CN211031154U

CN211031154U - Extrusion molding machine head for lengthened horn-shaped inner tube

Info

Publication number: CN211031154U
Application number: CN201921795135.6U
Authority: CN
Inventors: 李志飞
Original assignee: Nantong Ifeng Rubber Product Co ltd
Current assignee: Nantong Ifeng Rubber Product Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-17
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses an extension horn shape inner tube of a tyre extrusion molding aircraft nose, including aircraft nose body and heat dissipation casing, the outside of aircraft nose body is located to heat dissipation casing cover, the both ends of aircraft nose body are overlapped respectively and are equipped with annular baffle, the inner ring of annular baffle and the outer wall fixed connection of aircraft nose body, the outer loop of annular baffle and the inner wall fixed connection of heat dissipation casing, aircraft nose body, heat dissipation casing and two annular baffles constitute the heat dissipation cavity. An extension tubaeform inner tube of a tyre extrusion molding aircraft nose, newly-increased horn angle 30 degrees have increased the runner resistance for the inner tube of a tyre semi-manufactured goods compactness is better, reduces finished product sand hole gas leakage and slow bad condition emergence of spilling gas, and cools down to the aircraft nose body, reduces the production of chamotte, makes things convenient for the both ends of aircraft nose body to be connected with barrel and bush respectively, has increased the steadiness of connecting simultaneously, avoids the junction to appear becoming flexible.

Description

Extrusion molding machine head for lengthened horn-shaped inner tube

Technical Field

The utility model relates to an extruder technical field, in particular to extrusion molding machine head is arranged in extension horn shape inner tube of a tyre.

Background

The rubber and the thermoplastic plastic are processed by an extrusion molding method, the extruder head determines the quality factors such as the shape, the size, the compactness and the like of a final product, the requirements on the shape, the size diversity, the product stability and the like of the product in the existing rubber and plastic related product industry are higher and higher, the production efficiency requirement is higher and higher, two ends of the extruder head are respectively connected with a machine barrel and a mouth mold, the inner structure of the extruder head of the inner tube extruder is in a straight tube shape, rubber materials come out from the extruder and pass through the extruder head, the resistance of the extruder head is smaller, the compactness of a semi-finished product of the inner tube is poorer, the air leakage and the slow air leakage of a finished product are easy to cause, the reject ratio is about 3 percent, the production cost is increased, and.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide an extension tubaeform inner tube of a tyre extrusion forming head can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an extension tubaeform inner tube extrusion molding aircraft nose, includes aircraft nose body and heat dissipation casing, the outside of aircraft nose body is located to heat dissipation casing cover, the both ends of aircraft nose body are overlapped respectively and are equipped with annular baffle, the inner ring of annular baffle and the outer wall fixed connection of aircraft nose body, the outer loop of annular baffle and the inner wall fixed connection of heat dissipation casing, aircraft nose body, heat dissipation casing and two annular baffles constitute the heat dissipation cavity, the equal fixedly connected with in both ends of aircraft nose body is solid fixed ring, gu fixed ring's outside cover is equipped with the go-between, the go-between is threaded connection with solid fixed ring's connected mode, just the go-between passes through stop gear with annular baffle and is connected, the aircraft nose body includes preceding horizontal plane section, the inclined plane section that leans forward, well horizontal plane section, back inclined plane section and back horizontal plane section, preceding horizontal plane section, the inclined plane section that leans forward, back inclined plane section and back horizontal plane section set up according to the preface, back inclined plane section is 30 degrees with the contained angle α of horizontal plane respectively, top one side of heat dissipation casing is equipped with.

Preferably, stop gear locates the outside activity ring of solid fixed ring including the cover, just the activity ring is located between annular baffle and the go-between, the activity ring is connected through a plurality of telescopic links with annular baffle, just the outside cover of telescopic link is equipped with the spring, a plurality of draw-in grooves have been seted up to one side that the go-between is close to the activity ring, be equipped with the fixture block in the draw-in groove, just fixture block and activity ring fixed connection.

Preferably, both ends of the spring are respectively contacted with the movable ring and the annular partition plate.

Preferably, the front inclined plane section and the rear inclined plane section are symmetrically arranged at two sides of the middle horizontal plane section.

Preferably, the inner diameter of the middle horizontal plane section is 100mm, the length of the middle horizontal plane section is 150mm, the inner diameters of the front horizontal plane section and the rear horizontal plane section are both 200mm, and the lengths of the front horizontal plane section and the rear horizontal plane section are both 100 mm.

Preferably, the distance between the outer wall of the machine head body and the inner wall of the heat dissipation shell is 45mm, and the lengths of the machine head body and the heat dissipation shell are both 450 mm.

Compared with the prior art, the utility model discloses following beneficial effect has: through setting up preceding horizontal plane section, the inclined plane section that leans forward, the well horizontal plane section, the mating reaction of back inclined plane section and back horizontal plane section, newly-increased loudspeaker angle 30 degrees, the runner resistance has been increased, make inner tube of a tyre semi-manufactured goods compactness better, reduce the bad condition of finished product sand hole gas leakage and slow spilling gas and take place, the defective rate has been reduced, through setting up annular baffle, the heat dissipation cavity, the feed liquor pipeline, the mating reaction of heat dissipation casing and liquid outlet pipe, let in the circulating water toward the heat dissipation cavity, and then cool down the aircraft nose body, reduce the production of boiled glue, through setting up solid fixed ring, go-between and stop gear's mating reaction, make things convenient for the both ends of aircraft nose body to be connected with barrel and bush respectively, the steadiness of connection has been increased simultaneously, it.

Drawings

Fig. 1 is the overall structure schematic diagram of the utility model relates to an extension trumpet-shaped inner tube extrusion molding machine head.

Fig. 2 is a front sectional view of the extrusion molding head for an extended trumpet-shaped inner tube of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a handpiece body; 2. a heat dissipating housing; 3. an annular partition plate; 4. a heat dissipation chamber; 5. a liquid inlet pipeline; 6. a liquid outlet pipeline; 7. a fixing ring; 8. a connecting ring; 9. a front horizontal plane section; 10. a forward inclined plane section; 11. a mid-horizontal section; 12. a rear inclined plane section; 13. a rear horizontal section; 14. a movable ring; 15. a telescopic rod; 16. a spring; 17. a card slot; 18. and (7) clamping blocks.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an extension horn-shaped inner tube extrusion molding machine head comprises a machine head body 1 and a heat dissipation shell 2, the heat dissipation shell 2 is sleeved outside the machine head body 1, two ends of the machine head body 1 are respectively sleeved with an annular partition plate 3, an inner ring of the annular partition plate 3 is fixedly connected with an outer wall of the machine head body 1, an outer ring of the annular partition plate 3 is fixedly connected with an inner wall of the heat dissipation shell 2, the machine head body 1, the heat dissipation shell 2 and the two annular partition plates 3 form a heat dissipation chamber 4, two ends of the machine head body 1 are both fixedly connected with fixing rings 7, the outer sleeve of the fixing rings 7 is provided with a connecting ring 8, the connecting ring 8 is in threaded connection with the fixing rings 7, the connecting ring 8 is connected with the annular partition plates 3 through a limiting mechanism, the machine head body 1 comprises a front horizontal plane section 9, a front inclined plane section 10, a middle horizontal plane section 11, a rear inclined plane section 12 and a rear horizontal plane section 13, the front horizontal plane section 9, the front inclined plane section 10, the middle horizontal plane section 11, the rear inclined plane section 12 and the rear horizontal plane section 13, the front inclined plane section 10 and the rear inclined plane section α are respectively, a.

The limiting mechanism comprises a movable ring 14 sleeved outside the fixed ring 7, the movable ring 14 is positioned between the annular partition plate 3 and the connecting ring 8, the movable ring 14 is connected with the annular partition plate 3 through a plurality of telescopic rods 15, springs 16 are sleeved outside the telescopic rods 15, a plurality of clamping grooves 17 are formed in one side, close to the movable ring 14, of the connecting ring 8, clamping blocks 18 are arranged in the clamping grooves 17, and the clamping blocks 18 are fixedly connected with the movable ring 14; two ends of the spring 16 are respectively contacted with the movable ring 14 and the annular clapboard 3; the front inclined plane section 10 and the rear inclined plane section 12 are symmetrically arranged at two sides of the middle horizontal plane section 11; the inner diameter of the middle horizontal plane section 11 is 100mm, the length of the middle horizontal plane section 11 is 150mm, the inner diameters of the front horizontal plane section 9 and the rear horizontal plane section 13 are both 200mm, and the lengths of the front horizontal plane section 9 and the rear horizontal plane section 13 are both 100 mm; the distance between the outer wall of the machine head body 1 and the inner wall of the heat dissipation shell 2 is 45mm, and the lengths of the machine head body 1 and the heat dissipation shell 2 are both 450 mm.

It should be noted that, the utility model relates to an extension trumpet-shaped inner tube extrusion molding machine head, when using, two connecting rings 8 are respectively fixedly connected with a machine barrel and a neck mold, the movable ring 14 is pressed to move the movable ring 14 towards the annular partition plate 3, and then the spring 16 is in a compression state, and simultaneously the fixed ring 7 is screwed into the connecting rings 8, after the rotation is finished, the movable ring 14 is loosened, and then the spring 16 drives the movable ring 14 to move towards the connecting rings 8, so that the clamping blocks 18 are inserted into the corresponding clamping grooves 17, and the connecting rings 8 are prevented from rotating relative to the fixed ring 7 in the using process, so that two ends of the machine head body 1 are respectively connected with the machine barrel and the neck mold, and meanwhile, the connection stability is increased, and the loosening at the connection position is avoided, and then the inlet pipe is externally connected with the inlet pipe 5, the outlet pipe is externally, the machine head body 1 is cooled, the generation of the cured rubber is reduced, and the runner resistance is increased due to the fact that the horn angle is increased by 30 degrees, so that the compactness of a semi-finished product of the inner tube is better, the situations of air leakage and slow air leakage of a finished product sand hole are reduced, and the reject ratio is reduced.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an extension tubaeform inner tube extrusion molding aircraft nose, its characterized in that includes aircraft nose body (1) and heat dissipation casing (2), the outside of aircraft nose body (1) is located to heat dissipation casing (2) cover, the both ends of aircraft nose body (1) are equipped with annular baffle (3) respectively, the inner ring of annular baffle (3) and the outer wall fixed connection of aircraft nose body (1), the inner wall fixed connection of the outer loop of annular baffle (3) and heat dissipation casing (2), aircraft nose body (1), heat dissipation casing (2) and two annular baffles (3) constitute heat dissipation cavity (4), the equal fixedly connected with in both ends of aircraft nose body (1) solid fixed ring (7), the outside cover of solid fixed ring (7) is equipped with go-between (8), go-between (8) and the connected mode of solid fixed ring (7) are threaded connection, just go-between (8) and annular baffle (3) are connected through limiting mechanism, aircraft nose body (1) is including preceding horizontal plane section (9), back inclined plane section (10), back inclined plane section (13) and horizontal plane (10) and back inclined plane section (13) be equipped with the heat dissipation casing (10) liquid inlet plane section (10) and heat dissipation casing (12) the back inclined plane section (10) the liquid horizontal plane (10) is equipped with the liquid inlet plane section (10) according to the angle degree of the angle respectively, the horizontal plane (13) and the heat dissipation casing (10) the horizontal plane section (12) and the heat dissipation casing (10) are equipped with the heat dissipation casing (10) one.

2. The elongated flared inner tube extrusion molding head as set forth in claim 1, wherein: stop gear locates solid fixed ring (7) outside activity ring (14) including the cover, just activity ring (14) are located between annular baffle (3) and go-between (8), activity ring (14) are connected through a plurality of telescopic links (15) with annular baffle (3), just the outside cover of telescopic link (15) is equipped with spring (16), go-between (8) are close to one side of activity ring (14) and have been seted up a plurality of draw-in grooves (17), be equipped with fixture block (18) in draw-in groove (17), just fixture block (18) and activity ring (14) fixed connection.

3. The elongated flared inner tube extrusion molding head as set forth in claim 2, wherein: two ends of the spring (16) are respectively contacted with the movable ring (14) and the annular partition plate (3).

4. The elongated flared inner tube extrusion molding head as set forth in claim 1, wherein: the front inclined plane section (10) and the rear inclined plane section (12) are symmetrically arranged on two sides of the middle horizontal plane section (11).

5. The elongated flared inner tube extrusion molding head as set forth in claim 1, wherein: the internal diameter of well horizontal plane section (11) is 100mm, the length of well horizontal plane section (11) is 150mm, the internal diameter of preceding horizontal plane section (9) and back horizontal plane section (13) is 200mm, the length of preceding horizontal plane section (9) and back horizontal plane section (13) is 100 mm.

6. The elongated flared inner tube extrusion molding head as set forth in claim 1, wherein: the distance between the outer wall of the machine head body (1) and the inner wall of the heat dissipation shell (2) is 45mm, and the lengths of the machine head body (1) and the heat dissipation shell (2) are both 450 mm.